Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 36° 45° 42° 90° 36° 45° 42° 90° ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 500 Ω 1000 Ω 250 Ω 25 Ω 500 Ω 1000 Ω 250 Ω 25 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the operating head is controlled. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. operating head is controlled. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Isolator in sub station is open under ------------- condition? short circuit no load any of the above full load short circuit no load any of the above full load ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 9 MW 10 MW 18 MW 5 MW 9 MW 10 MW 18 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The essential requirement(s) for power plants to be operated as peak load plants are All of these Quick response to load variation. Low capital cost. Capability of quick starts. All of these Quick response to load variation. Low capital cost. Capability of quick starts. ANSWER DOWNLOAD EXAMIANS APP
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